Analysis for pigment volume concentration

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Journal titleOfficial Digest
Pages13431354; # of pages: 12
Subjectpigment; measurement; volume; specific gravity; paints; Buildings
AbstractThe analytical procedure for measuring pigment volume concentration has been studied to improve the accuracy of the method. Clear vehicles were tested first and included bodied linseed oil and alkyd resins. The specific gravity procedure and the effects of driers and anti-oxidant on the vehicle volume were examined. It was found possible to determine the volume of vehicle with an accuracy close to 100%. Pigmented samples were made in enclosed mills to ensure known composition. Factors studied were measurement of pigment volume, effect of specific gravity and particle size of one and two pigments, range of PVC and composition of extraction solvent. To obtain the correct pigment volume it was necessary to measure the specific gravity and weight for the pigment. The final PVC's were about 0.4% high and the standard deviation between duplicates was 0.13%. The main source of error was in the pigment volume determination and use of a more accurate density method should eliminate the tendency to slightly high results.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
NRC number7155
NPARC number20375303
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Record identifier86bbf1cd-347f-4041-b2bb-8c403aa71b3e
Record created2012-07-23
Record modified2016-05-09
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